Identify the abbreviation(s) you could not use as one of the four findings for proper ekg reimbursement.
a) avr, avl, v2, v3
b) rrr
c) pvc's
d) lad
e) rbbb

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,